Patent: Canon RF 70-240mm f/4 IS and RF 70-300mm f/4-5.6 IS

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Canon is clearly busy creating new lenses for the RF mount, and we count on a variety of new lenses subsequent 12 months. We additionally count on some extra reasonably priced choices for the RF mount.

Within the newest spherical of patents, we see optical formulation for each an RF 70-240mm f/Four IS and an RF 70-300 f/4-5.6 IS.

Canon RF 70-240mm f/Four IS USM:

  • Focal size 72.10mm 131.78mm 242.00mm
  • F-number 4.10 4.10 4.10
  • Half angle of view 16.70° 9.32° 5.11°
  • Picture peak 21.64mm 21.64mm 21.64mm
  • Complete lens size 147.22mm 176.39mm 210.90mm
  • BF 12.95mm 25.54mm 36.63mm

Canon RF 70-300mm f/4-5.6 IS USM:

  • Focal size 72.10mm 144.31mm 289.00mm
  • F-number 4.60 5.68 5.88
  • Half angle of view 16.70° 8.53° 4.28°
  • Picture peak 21.64mm 21.64mm 21.64mm
  • Complete lens size 136.41mm 169.48mm 201.14mm
  • BF 12.95mm 28.75mm 42.22mm